c.Factory is in Shenzhen city ,next to Huaqiangbei , which is the
biggest electronic trade market in the world, convenient for
visiting and easy for purchasing latest products, OEM/ODM
available, 6 strictly inspection lines and professional skilled
workers.

d.Office in Guangzhou city ,and we are sure to test 5 times before
shipment. Excellent after-sale service, 12 months warranty ,
providing best solution by a professional after sale team .